Mazda MX-5 Miata Sport 2007 Manual page 2028

2007 ENGINE PERFORMANCE Symptom Troubleshooting - MX-5 Miata
NO.20 FUEL ODOR (IN ENGINE COMPARTMENT) [LF]
POSSIBLE CAUSE & DESCRIPTION (FUEL ODOR (IN ENGINE COMPARTMENT))
DESCRIPTION
POSSIBLE CAUSE
2007 Mazda MX-5 Miata Sport
If normal, return to diagnostic index to service any additional

symptoms.
(See ENGINE SYMPTOM TROUBLESHOOTING [LF] .)
If malfunction remains, inspect related Service Bulletins and/or On-line

Repair Information and perform repair or diagnosis.
If vehicle is repaired, troubleshooting completed.

If vehicle is not repaired or additional diagnostic information is

not available, replace the PCM.
(See PCM REMOVAL/INSTALLATION [LF] .)
20 FUEL ODOR (IN ENGINE COMPARTMENT)
Gasoline fuel smell or visible leakage
Excessive fuel pressure

Purge solenoid valve malfunction

Fuel tank vent system blockage

Charcoal canister malfunction

Fuel leakage from fuel system

WARNING:
The following DIAGNOSTIC PROCEDURE
TABLE contains fuel system diagnosis and
repair procedures. Read following
warnings before servicing fuel system:
Fuel vapor is hazardous. It can easily

ignite, causing serious injury and
damage. Always keep sparks and
flames away from fuel.
Fuel line spills and leakage are

dangerous. Fuel can ignite and cause
serious injuries or death and
damage. Fuel can also irritate skin
and eyes. To prevent this, always
complete "BEFORE SERVICE
PRECAUTION" and "AFTER SERVICE
PRECAUTION" described in this
article.
(See BEFORE SERVICE